片语
main trashrack maintenance chamber主拦污栅检修室
auxiliary trashrack shaft副拦污栅井
traveling trashrack cleaner移动式清污机
floating trashrack浮式拦污漂
the floating active trashrack浮式活动拦污排
main trashrack shaft主拦污栅井
main trashrack slot主拦污栅槽
semi-circular trashrack半圆形拦污栅